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drm/i915: Fix hdmi clock readout with pixel repeat

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Account for the pixel multiplier when reading out the HDMI
mode dotclock. Makes the state checked happier on my ILK when using
double clocked modes.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chandra Konduru <Chandra.konduru@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2015-05-05 17:06:26 +03:00 committed by Daniel Vetter
parent ec1dc603c6
commit be69a1335f
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/intel_hdmi.c
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@ -943,6 +943,9 @@ static void intel_hdmi_get_config(struct intel_encoder *encoder,
else
dotclock = pipe_config->port_clock;
if (pipe_config->pixel_multiplier)
dotclock /= pipe_config->pixel_multiplier;
if (HAS_PCH_SPLIT(dev_priv->dev))
ironlake_check_encoder_dotclock(pipe_config, dotclock);